git.sesse.net Git - vlc/blob - modules/video_output/omapfb.c

   1 /*****************************************************************************
   2 * omapfb.c : omap framebuffer plugin for vlc
   3 *****************************************************************************
   4 * Copyright (C) 2008-2009 the VideoLAN team
   5 * $Id$
   6 *
   7 * Authors: Antoine Lejeune <phytos @ videolan.org>
   8 *          Based on fb.c and work of Siarhei Siamashka on mplayer for Maemo
   9 *          Needs a recent omapfb.h to compile
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of the GNU General Public License as published by
  13 * the Free Software Foundation; either version 2 of the License, or
  14 * (at your option) any later version.
  15 *
  16 * This program is distributed in the hope that it will be useful,
  17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 * GNU General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; if not, write to the Free Software
  23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24 *****************************************************************************/
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <fcntl.h>                                                 /* open() */
  32 #include <unistd.h>                                               /* close() */
  33
  34 #include <sys/ioctl.h>
  35 #include <sys/mman.h>                                              /* mmap() */
  36
  37 #include <linux/fb.h>
  38 #include <asm/arch-omap/omapfb.h>
  39
  40 /* Embedded window handling */
  41 #include <X11/Xlib.h>
  42 #include <X11/Xutil.h>
  43
  44 #ifdef HAVE_OSSO
  45 #include <libosso.h>
  46 #endif
  47
  48 #include <vlc_common.h>
  49 #include <vlc_plugin.h>
  50 #include <vlc_vout.h>
  51 #include <vlc_vout_window.h>
  52 #include <vlc_playlist.h>
  53
  54 /*****************************************************************************
  55 * Local prototypes
  56 *****************************************************************************/
  57 static int  Create           ( vlc_object_t * );
  58 static void Destroy          ( vlc_object_t * );
  59
  60 static int  Init             ( vout_thread_t * );
  61 static void End              ( vout_thread_t * );
  62 static int  Manage           ( vout_thread_t * );
  63 static void DisplayVideo     ( vout_thread_t *, picture_t * );
  64 static int  Control          ( vout_thread_t *, int, va_list );
  65
  66 static void FreePicture      ( vout_thread_t *, picture_t * );
  67
  68 static int  OpenDisplay      ( vout_thread_t * );
  69 static void CloseDisplay     ( vout_thread_t * );
  70 static void UpdateScreen     ( vout_thread_t *,
  71                                int, int, int, int, int, int, int );
  72
  73 static int  InitWindow       ( vout_thread_t * );
  74 static void CreateWindow     ( vout_sys_t * );
  75 static void ToggleFullScreen ( vout_thread_t * );
  76
  77 #ifdef HAVE_OSSO
  78 static const int i_backlight_on_interval = 300;
  79 #endif
  80
  81 /*****************************************************************************
  82  * Module descriptor
  83  *****************************************************************************/
  84 #define FB_DEV_VAR "omapfbdev"
  85
  86 #define DEVICE_TEXT N_("OMAP Framebuffer device")
  87 #define DEVICE_LONGTEXT N_( \
  88     "OMAP Framebuffer device to use for rendering (usually /dev/fb0).")
  89
  90 #define CHROMA_TEXT N_("Chroma used.")
  91 #define CHROMA_LONGTEXT N_( \
  92     "Force use of a specific chroma for output. Default is Y420 (specific to N770/N8xx hardware)." )
  93
  94 #define OVERLAY_TEXT N_("Embed the overlay")
  95 #define OVERLAY_LONGTEXT N_( \
  96     "Embed the framebuffer overlay into a X11 window" )
  97
  98 vlc_module_begin();
  99     set_shortname( "OMAP framebuffer" );
 100     set_category( CAT_VIDEO );
 101     set_subcategory( SUBCAT_VIDEO_VOUT );
 102     add_file( FB_DEV_VAR, "/dev/fb0", NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
 103               false )
 104     add_string( "omap-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
 105                 true )
 106     add_bool( "omap-embedded", true, NULL, OVERLAY_TEXT, OVERLAY_LONGTEXT,
 107                  true )
 108     set_description( N_("OMAP framebuffer video output") );
 109     set_capability( "video output", 200 );
 110     set_callbacks( Create, Destroy );
 111 vlc_module_end();
 112
 113 /*****************************************************************************
 114  * omap_window_t: simple structure with the geometry of a window
 115  *****************************************************************************/
 116 struct omap_window_t
 117 {
 118     uint32_t i_x;
 119     uint32_t i_y;
 120     uint32_t i_width;
 121     uint32_t i_height;
 122 };
 123
 124 /*****************************************************************************
 125 * vout_sys_t: video output omap framebuffer method descriptor
 126  *****************************************************************************
 127  * This structure is part of the video output thread descriptor.
 128  * It describes the FB specific properties of an output thread.
 129  *****************************************************************************/
 130 struct vout_sys_t
 131 {
 132     /* Framebuffer information */
 133     int                         i_fd;                       /* device handle */
 134     struct fb_var_screeninfo    fb_vinfo;        /* current mode information */
 135     struct fb_fix_screeninfo    fb_finfo;
 136     struct omapfb_caps          caps;
 137     bool                        b_tearsync;
 138
 139     /* Window information */
 140     struct omap_window_t output_window;    /* Size of the real output window */
 141     struct omap_window_t main_window;  /* Size of the area we got to display */
 142     struct omap_window_t embedded_window;     /* Size of the embedded window */
 143
 144     /* Video information */
 145     uint32_t             i_video_width;                       /* video width */
 146     uint32_t             i_video_height;                     /* video height */
 147     vlc_fourcc_t         i_chroma;
 148     int                  i_color_format;                   /* OMAPFB_COLOR_* */
 149     bool                 b_video_enabled;        /* Video must be displayed? */
 150     picture_t           *p_output_picture;
 151
 152     /* Video memory */
 153     uint8_t    *p_video;                                      /* base adress */
 154     uint8_t    *p_center;                                   /* output adress */
 155     size_t      i_page_size;                                    /* page size */
 156     int         i_bytes_per_pixel;                /* Bytes used by one pixel */
 157     int         i_line_len;                   /* Length of one line in bytes */
 158
 159     /* X11 */
 160     Display   *p_display;
 161     vout_window_t *owner_window;
 162     Window     window;
 163     mtime_t    i_time_button_last_pressed;         /* To detect double click */
 164
 165     /* Dummy memory */
 166     int        i_null_fd;
 167     uint8_t   *p_null;
 168
 169 #ifdef HAVE_OSSO
 170     osso_context_t      *p_octx;
 171     int                 i_backlight_on_counter;
 172 #endif
 173 };
 174
 175 /*****************************************************************************
 176  * Create: allocates omapfb video thread output method
 177  *****************************************************************************
 178  * This function allocates and initializes a FB vout method.
 179  *****************************************************************************/
 180 static int Create( vlc_object_t *p_this )
 181 {
 182     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 183     vout_sys_t    *p_sys;
 184
 185     if( p_vout->fmt_in.i_chroma != VLC_CODEC_I420 &&
 186         p_vout->fmt_in.i_chroma != VLC_CODEC_YV12 )
 187         return VLC_EGENERIC;
 188
 189     /* Allocate instance and initialize some members */
 190     p_vout->p_sys = p_sys = calloc( 1, sizeof( vout_sys_t ) );
 191     if( p_vout->p_sys == NULL )
 192         return VLC_ENOMEM;
 193
 194     p_vout->pf_init = Init;
 195     p_vout->pf_end = End;
 196     p_vout->pf_manage = Manage;
 197     p_vout->pf_render = NULL;
 198     p_vout->pf_display = DisplayVideo;
 199     p_vout->pf_control = Control;
 200     p_sys->b_video_enabled = true;
 201
 202     if( OpenDisplay( p_vout ) )
 203     {
 204         free( p_vout->p_sys );
 205         return VLC_EGENERIC;
 206     }
 207
 208     if( InitWindow( p_vout ) )
 209     {
 210         free( p_vout->p_sys );
 211         return VLC_EGENERIC;
 212     }
 213
 214 #ifdef HAVE_OSSO
 215     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 216     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 217     if ( p_vout->p_sys->p_octx == NULL ) {
 218         msg_Err( p_vout, "Could not get osso context" );
 219     } else {
 220         msg_Dbg( p_vout, "Initialized osso context" );
 221     }
 222 #endif
 223
 224     return VLC_SUCCESS;
 225 }
 226
 227 /*****************************************************************************
 228  * Destroy: destroy omapfb video thread output method
 229  *****************************************************************************
 230  * Terminate an output method created by Create
 231  *****************************************************************************/
 232 static void Destroy( vlc_object_t *p_this )
 233 {
 234     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 235
 236     CloseDisplay( p_vout );
 237
 238     if( p_vout->p_sys->owner_window )
 239     {
 240         vout_window_Delete( p_vout->p_sys->owner_window );
 241         XCloseDisplay( p_vout->p_sys->p_display );
 242     }
 243
 244 #ifdef HAVE_OSSO
 245     if ( p_vout->p_sys->p_octx != NULL ) {
 246         msg_Dbg( p_vout, "Deinitializing osso context" );
 247         osso_deinitialize( p_vout->p_sys->p_octx );
 248     }
 249 #endif
 250
 251     /* Destroy structure */
 252     free( p_vout->p_sys );
 253 }
 254
 255
 256 /*****************************************************************************
 257  * Init: initialize omap framebuffer video thread output method
 258  *****************************************************************************/
 259 static int Init( vout_thread_t *p_vout )
 260 {
 261     vout_sys_t *p_sys = (vout_sys_t *)p_vout->p_sys;
 262
 263     // We want to keep the same aspect
 264     p_vout->fmt_out.i_aspect = p_vout->output.i_aspect = p_vout->render.i_aspect;
 265     // We ask where the video should be displayed in the video area
 266     vout_PlacePicture( p_vout, p_sys->main_window.i_width,
 267                        p_sys->main_window.i_height,
 268                        &p_sys->output_window.i_x,
 269                        &p_sys->output_window.i_y,
 270                        &p_sys->output_window.i_width,
 271                        &p_sys->output_window.i_height );
 272     p_sys->output_window.i_x = ( p_sys->output_window.i_x +
 273                                  p_sys->main_window.i_x ) & ~1;
 274     p_sys->output_window.i_y = ( p_sys->output_window.i_y +
 275                                  p_sys->main_window.i_y ) & ~1;
 276
 277     // Hardware upscaling better than software
 278     if( p_vout->fmt_render.i_width <= p_sys->main_window.i_width &&
 279         p_vout->fmt_render.i_height <= p_sys->main_window.i_height )
 280     {
 281         p_sys->i_video_width =
 282         p_vout->output.i_width =
 283         p_vout->fmt_out.i_width =
 284         p_vout->fmt_out.i_visible_width = p_vout->fmt_render.i_width;
 285         p_sys->i_video_height =
 286         p_vout->output.i_height =
 287         p_vout->fmt_out.i_height =
 288         p_vout->fmt_out.i_visible_height = p_vout->fmt_render.i_height;
 289     }
 290     else
 291     {
 292         p_sys->i_video_width =
 293         p_vout->output.i_width =
 294         p_vout->fmt_out.i_width =
 295         p_vout->fmt_out.i_visible_width = p_sys->output_window.i_width;
 296         p_sys->i_video_height =
 297         p_vout->output.i_height =
 298         p_vout->fmt_out.i_height =
 299         p_vout->fmt_out.i_visible_height = p_sys->output_window.i_height;
 300     }
 301
 302     p_vout->output.i_chroma =
 303     p_vout->fmt_out.i_chroma = VLC_CODEC_I420;
 304     p_sys->i_color_format = OMAPFB_COLOR_YUV420;
 305
 306     // place in the framebuffer where we have to write
 307     p_sys->p_center = p_sys->p_video + p_sys->output_window.i_x*p_sys->i_bytes_per_pixel
 308                       + p_sys->output_window.i_y*p_sys->i_line_len;
 309
 310     // We get and set a direct render vlc picture
 311     I_OUTPUTPICTURES = 0;
 312     picture_t *p_pic = NULL;
 313     int i_index;
 314
 315     for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 316     {
 317         if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 318         {
 319             p_pic = p_vout->p_picture + i_index;
 320             break;
 321         }
 322     }
 323
 324     /* Allocate the picture */
 325     if( p_pic == NULL )
 326     {
 327         return VLC_EGENERIC;
 328     }
 329
 330     p_sys->p_output_picture = p_pic;
 331     p_pic->p->p_pixels = p_vout->p_sys->p_center;
 332     p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
 333     p_pic->p->i_lines = p_sys->i_video_height;
 334     p_pic->p->i_visible_lines = p_sys->i_video_height;
 335     p_pic->p->i_pitch = p_sys->i_line_len;
 336     p_pic->p->i_visible_pitch = p_sys->i_line_len;
 337     p_pic->i_planes = 1;
 338     p_pic->i_status = DESTROYED_PICTURE;
 339     p_pic->i_type   = DIRECT_PICTURE;
 340
 341     PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 342
 343     I_OUTPUTPICTURES++;
 344
 345     return VLC_SUCCESS;
 346 }
 347
 348 /*****************************************************************************
 349  * End: terminate omap framebuffer video thread output method
 350  *****************************************************************************/
 351 static void End( vout_thread_t *p_vout )
 352 {
 353     /* Clear the screen */
 354     UpdateScreen( p_vout, 0, 0,
 355                   p_vout->p_sys->fb_vinfo.xres,
 356                   p_vout->p_sys->fb_vinfo.yres,
 357                   p_vout->p_sys->fb_vinfo.xres,
 358                   p_vout->p_sys->fb_vinfo.yres,
 359                   OMAPFB_COLOR_RGB565 );
 360 }
 361
 362 /*****************************************************************************
 363  * Control: control facility for the vout
 364  *****************************************************************************/
 365 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 366 {
 367     return VLC_EGENERIC;
 368 }
 369
 370 /*****************************************************************************
 371 * FreePicture: Destroy the picture and make it free again
 372 ******************************************************************************/
 373 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
 374 {
 375     p_pic->p->p_pixels = NULL;
 376     p_pic->i_status = FREE_PICTURE;
 377 }
 378
 379 /*****************************************************************************
 380  * Manage: handle omapfb events
 381  *****************************************************************************
 382  * This function should be called regularly by video output thread.
 383  *****************************************************************************/
 384 static int Manage( vout_thread_t *p_vout )
 385 {
 386     XEvent xevent;
 387
 388     while( XPending( p_vout->p_sys->p_display ) )
 389     {
 390         XNextEvent( p_vout->p_sys->p_display, &xevent );
 391
 392         if( xevent.type == ButtonPress &&
 393             ((XButtonEvent *)&xevent)->button == Button1 )
 394         {
 395             /* detect double-clicks */
 396             if( ( ((XButtonEvent *)&xevent)->time -
 397                     p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 398             {
 399                 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 400             }
 401
 402             p_vout->p_sys->i_time_button_last_pressed =
 403                         ((XButtonEvent *)&xevent)->time;
 404         }
 405         else if( ( xevent.type == VisibilityNotify &&
 406                  xevent.xvisibility.state != VisibilityUnobscured ) ||
 407                  xevent.type == UnmapNotify )
 408         {
 409             UpdateScreen( p_vout, 0, 0,
 410                           p_vout->p_sys->fb_vinfo.xres,
 411                           p_vout->p_sys->fb_vinfo.yres,
 412                           p_vout->p_sys->fb_vinfo.xres,
 413                           p_vout->p_sys->fb_vinfo.yres,
 414                           OMAPFB_COLOR_RGB565 );
 415             p_vout->p_sys->b_video_enabled = false;
 416             p_vout->p_sys->p_output_picture->p->p_pixels =
 417                 p_vout->p_sys->p_null;
 418          }
 419     }
 420
 421     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 422     {
 423         /* Update the object variable and trigger callback */
 424         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 425         var_SetBool( p_vout, "fullscreen", p_vout->b_fullscreen );
 426
 427         if( p_vout->p_sys->owner_window )
 428             vout_window_SetFullscreen( p_vout->p_sys->owner_window,
 429                                        p_vout->b_fullscreen );
 430         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 431     }
 432
 433     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 434     {
 435         FreePicture( p_vout, p_vout->p_sys->p_output_picture );
 436         if( Init( p_vout ) )
 437         {
 438             msg_Err( p_vout, "cannot reinit framebuffer screen" );
 439             return VLC_EGENERIC;
 440         }
 441     }
 442
 443
 444 #ifdef HAVE_OSSO
 445     if ( p_vout->p_sys->p_octx != NULL ) {
 446         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
 447             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
 448                 msg_Err( p_vout, "Could not disable backlight blanking" );
 449         } else {
 450                 msg_Dbg( p_vout, "Backlight blanking disabled" );
 451             }
 452             p_vout->p_sys->i_backlight_on_counter = 0;
 453         } else {
 454             p_vout->p_sys->i_backlight_on_counter ++;
 455         }
 456     }
 457 #endif
 458
 459     return VLC_SUCCESS;
 460 }
 461
 462 /*****************************************************************************
 463  * DisplayVideo: displays previously rendered output
 464  *****************************************************************************
 465  * This function update the screen resulting in the display of the last
 466  * rendered picture.
 467  *****************************************************************************/
 468 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 469 {
 470     VLC_UNUSED( p_pic );
 471
 472     if( !p_vout->p_sys->b_video_enabled )
 473         return;
 474
 475     UpdateScreen( p_vout,
 476                   p_vout->p_sys->output_window.i_x,
 477                   p_vout->p_sys->output_window.i_y,
 478                   p_vout->p_sys->i_video_width,
 479                   p_vout->p_sys->i_video_height,
 480                   p_vout->p_sys->output_window.i_width,
 481                   p_vout->p_sys->output_window.i_height,
 482                   p_vout->p_sys->i_color_format );
 483
 484     // Wait for the window to be fully displayed
 485     ioctl( p_vout->p_sys->i_fd, OMAPFB_SYNC_GFX);
 486 }
 487
 488 /*****************************************************************************
 489  * OpenDisplay: initialize framebuffer
 490  *****************************************************************************/
 491 static int OpenDisplay( vout_thread_t *p_vout )
 492 {
 493     vout_sys_t *p_sys = (vout_sys_t *) p_vout->p_sys;
 494     char *psz_device;                             /* framebuffer device path */
 495
 496     /* Open framebuffer device */
 497     if( !(psz_device = var_CreateGetNonEmptyString( p_vout, FB_DEV_VAR )) )
 498     {
 499         msg_Err( p_vout, "don't know which fb device to open" );
 500         return VLC_EGENERIC;
 501     }
 502
 503     p_sys->i_fd = open( psz_device, O_RDWR );
 504     if( p_sys->i_fd == -1 )
 505     {
 506         msg_Err( p_vout, "cannot open %s (%m)", psz_device );
 507         free( psz_device );
 508         return VLC_EGENERIC;
 509     }
 510     free( psz_device );
 511
 512     // Get caps, try older interface if needed
 513     if( ioctl( p_sys->i_fd, OMAPFB_GET_CAPS, &p_sys->caps ) != 0 )
 514     {
 515         if( ioctl( p_sys->i_fd, OMAP_IOR( 42, unsigned long ), &p_sys->caps ) != 0 )
 516         {
 517             msg_Err( p_vout, "OMAPFB_GET_CAPS ioctl failed" );
 518             close( p_sys->i_fd );
 519             return VLC_EGENERIC;
 520         }
 521     }
 522
 523     if( ( p_sys->caps.ctrl & OMAPFB_CAPS_TEARSYNC ) != 0 )
 524         p_sys->b_tearsync = true;
 525
 526     if( ioctl( p_sys->i_fd, FBIOGET_VSCREENINFO, &p_sys->fb_vinfo ) )
 527     {
 528         msg_Err( p_vout, "Can't get VSCREENINFO: %s", strerror(errno) );
 529         close( p_sys->i_fd );
 530         return VLC_EGENERIC;
 531     }
 532     if( ioctl( p_sys->i_fd, FBIOGET_FSCREENINFO, &p_sys->fb_finfo ) )
 533     {
 534         msg_Err( p_vout, "Can't get FSCREENINFO: %s", strerror(errno) );
 535         close( p_sys->i_fd );
 536         return VLC_EGENERIC;
 537     }
 538
 539     p_sys->i_bytes_per_pixel = 2;
 540     p_sys->i_page_size = p_sys->fb_finfo.smem_len;
 541     p_sys->i_line_len = p_sys->fb_finfo.line_length;
 542
 543     if( (p_sys->p_video = (uint8_t *)mmap( 0, p_sys->i_page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
 544                                             p_sys->i_fd, 0 )) == MAP_FAILED )
 545     {
 546         msg_Err( p_vout, "Can't mmap: %s", strerror(errno) );
 547         close( p_sys->i_fd );
 548         return VLC_EGENERIC;
 549     }
 550
 551     p_sys->p_display = XOpenDisplay( NULL );
 552
 553     /* Open /dev/null and map it */
 554     p_sys->i_null_fd = open( "/dev/zero", O_RDWR );
 555     if( p_sys->i_null_fd == -1 )
 556     {
 557         msg_Err( p_vout, "cannot open /dev/zero (%m)" );
 558         munmap( p_sys->p_video, p_sys->i_page_size );
 559         close( p_sys->i_fd );
 560         return VLC_EGENERIC;
 561     }
 562
 563     if( (p_sys->p_null = (uint8_t *)mmap( 0, p_sys->i_page_size, PROT_READ | PROT_WRITE,
 564                                           MAP_PRIVATE, p_sys->i_null_fd, 0 )) == MAP_FAILED )
 565     {
 566         msg_Err( p_vout, "Can't mmap 2: %s", strerror(errno) );
 567         munmap( p_sys->p_video, p_sys->i_page_size );
 568         close( p_sys->i_null_fd );
 569         close( p_sys->i_fd );
 570         return VLC_EGENERIC;
 571     }
 572
 573     return VLC_SUCCESS;
 574 }
 575
 576 /*****************************************************************************
 577  * CloseDisplay: terminate FB video thread output method
 578  *****************************************************************************/
 579 static void CloseDisplay( vout_thread_t *p_vout )
 580 {
 581     munmap( p_vout->p_sys->p_video, p_vout->p_sys->i_page_size );
 582     munmap( p_vout->p_sys->p_null,  p_vout->p_sys->i_page_size );
 583
 584     close( p_vout->p_sys->i_fd );
 585     close( p_vout->p_sys->i_null_fd );
 586 }
 587
 588 /*****************************************************************************
 589  * UpdateScreen: update the screen of the omapfb
 590  *****************************************************************************/
 591 static void UpdateScreen( vout_thread_t *p_vout, int i_x, int i_y,
 592                           int i_width, int i_height,
 593                           int i_out_width, int i_out_height, int i_format )
 594 {
 595     struct omapfb_update_window update;
 596     update.x = i_x;
 597     update.y = i_y;
 598     update.width = i_width;
 599     update.height = i_height;
 600     update.out_x = i_x;
 601     update.out_y = i_y;
 602     update.out_width = i_out_width;
 603     update.out_height = i_out_height;
 604     update.format = i_format;
 605     if( p_vout->p_sys->b_tearsync )
 606         update.format |= OMAPFB_FORMAT_FLAG_TEARSYNC;
 607     ioctl( p_vout->p_sys->i_fd, OMAPFB_UPDATE_WINDOW, &update );
 608 }
 609
 610 /*****************************************************************************
 611  * InitWindow: get embedded window and init X11
 612  *****************************************************************************/
 613 static int InitWindow( vout_thread_t *p_vout )
 614 {
 615     vout_sys_t *p_sys = (vout_sys_t *)p_vout->p_sys;
 616
 617     if( var_CreateGetBool( p_vout, "omap-embedded" ) )
 618     {
 619         p_sys->p_display = XOpenDisplay( NULL );
 620
 621         // Request window from interface
 622         vout_window_cfg_t wnd_cfg;
 623
 624         memset( &wnd_cfg, 0, sizeof(wnd_cfg) );
 625         wnd_cfg.type   = VOUT_WINDOW_TYPE_XID;
 626         wnd_cfg.x      = p_sys->embedded_window.i_x;
 627         wnd_cfg.y      = p_sys->embedded_window.i_y;
 628         wnd_cfg.width  = p_sys->embedded_window.i_width;
 629         wnd_cfg.height = p_sys->embedded_window.i_height;
 630
 631         p_sys->owner_window = vout_window_New( VLC_OBJECT(p_vout), NULL, &wnd_cfg );
 632         p_sys->main_window = p_sys->embedded_window;
 633
 634         // We have to create a new window to get some events
 635         CreateWindow( p_sys );
 636     }
 637     else
 638     {
 639         // No embedding, fullscreen framebuffer overlay with no events handling
 640         p_sys->main_window.i_x = p_sys->main_window.i_y = 0;
 641         p_sys->main_window.i_width = p_sys->fb_vinfo.xres;
 642         p_sys->main_window.i_height = p_sys->fb_vinfo.yres;
 643         p_vout->b_fullscreen = true;
 644         var_SetBool( p_vout, "fullscreen", p_vout->b_fullscreen );
 645     }
 646
 647     return VLC_SUCCESS;
 648 }
 649
 650 static void CreateWindow( vout_sys_t *p_sys )
 651 {
 652     XSetWindowAttributes    xwindow_attributes;
 653     xwindow_attributes.backing_store = Always;
 654     xwindow_attributes.background_pixel =
 655         BlackPixel( p_sys->p_display, DefaultScreen(p_sys->p_display) );
 656     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask
 657                                   | VisibilityChangeMask;
 658     p_sys->window = XCreateWindow( p_sys->p_display,
 659                                    p_sys->owner_window->handle.xid,
 660                                    0, 0,
 661                                    p_sys->main_window.i_width,
 662                                    p_sys->main_window.i_height,
 663                                    0,
 664                                    0, InputOutput, 0,
 665                                    CWBackingStore | CWBackPixel | CWEventMask,
 666                                    &xwindow_attributes );
 667
 668     XMapWindow( p_sys->p_display, p_sys->window );
 669     XSelectInput( p_sys->p_display, p_sys->owner_window->handle.xid,
 670                   StructureNotifyMask );
 671 }
 672